зеркало из https://github.com/mozilla/gecko-dev.git
42 строки
996 B
C
42 строки
996 B
C
|
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
||
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
||
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
||
|
|
|
||
|
|
/* an object with the same layout as a Rust std::cell::Cell<T> */
|
||
|
|
|
||
|
|
#ifndef mozilla_RustCell_h
|
||
|
|
#define mozilla_RustCell_h
|
||
|
|
|
||
|
|
namespace mozilla {
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Object with the same layout as std::cell::Cell<T>.
|
||
|
|
*
|
||
|
|
* ServoBindings.toml defines a mapping so that generated bindings use a
|
||
|
|
* real std::cell::Cell<T>.
|
||
|
|
*
|
||
|
|
* Note that while the layout matches, this doesn't have the same ABI as a
|
||
|
|
* std::cell::Cell<T>, so values of this type can't be passed over FFI
|
||
|
|
* functions.
|
||
|
|
*/
|
||
|
|
template<typename T>
|
||
|
|
class RustCell
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
RustCell()
|
||
|
|
: mValue()
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
T Get() const { return mValue; }
|
||
|
|
|
||
|
|
private:
|
||
|
|
T mValue;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace mozilla
|
||
|
|
|
||
|
|
#endif // mozilla_RustCell_h
|